compression good quiz (speed) gogogo/fun

What would you use compression for?

• Making an image file smaller

• Modifying an image

Makes the file smaller by deleting parts of the file permanently (forever)

• Lossy Compression

• Lossless Compression

Makes the file smaller by giving repeated patterns/colours a specific code

• Lossy Compression

• Lossless Compression

A set of instructions for the computer to follow

• Algorithm $\nabla\theta\perp$

• Iteration

Which file types use Lossy compression?

• JPEG, GIF

• PNG, BMP

Which file types use Lossless compression?

• JPEG, GIF

• PNG, BMP

Which of these is an advantage for Lossy compression?

• The file size becomes significantly (much) smaller

• The file size does not become much smaller than 50%

Which of these is an advantage for Lossless compression?

• The file size becomes significantly (much) smaller

• There is no information lost in the image

Has this been compressed using Lossy or Lossless?

• Lossy

• Lossless

Has this been compressed using Lossy or Lossless?

• Lossy

• Lossless